Science [repost]
What is the difference between an ionic bond and a covalent bond? I just keep forgetting which one is which...any easy way to remember these? PS> I know that you're not supposed to repost until 24 hours but I really need this answer! Thanks -MC February 5, 2009 by mysterychicken

Science
What is the boiling point of ethanol when the atmospheric pressure is 60kPa? I decided to repost this ? under Science instead of Chemistry. Thanks.April 14, 2012 by Gerald

Science [improv/repost]
What is the difference between an ionic bond and a covalent bond? I just keep forgetting which one is which...any easy way to remember these? PS> I know that you're not supposed to repost until 24 hours but I really need this answer! Would this answer work?: In an ionic ...February 5, 2009 by mysterychicken

Science
I don't noe ne thng about fluids. HELp..my test is in two days If you repost your question and spell the words right, I'll help you. lol pwnTJanuary 30, 2007 by Sana

To: Troyer0269 - Sci245
I've removed both of your science posts. Please repost when you can tell us what you've done so far to fulfill these complex assignments and where you specifically need our help. February 8, 2009 by Ms. Sue

history
on the 1st page can someone please help me??????? Its the 2nd and 3rd black dot next to my nasme. Even if this is a repost, more information needs to be given before we can adequately respond. Please repost with more information. Thanks for asking.April 29, 2007 by Mack

Physical Science
According to the well known equation, energy equals mass times the speed of light squared..... ? You question is unclear. Please repost with more specifics.March 29, 2007 by Gina

science repost
Which parts of the molecule benzophenone are chromophores? is it the two aromatic rings? what types of electronic transitions are responsible for the molecule absorbing the light? February 1, 2009 by mary

science repost
Which parts of the molecule benzophenone are chromophores? is it the two aromatic rings? what types of electronic transitions are responsible for the molecule absorbing the light? February 2, 2009 by mary

Science repost for iiii
science - iiii, Monday, October 29, 2007 at 8:08pm What test would you need to perform to prove that it is the combination of glucose and the Glucose Indicator Solution that changes color when heated and not just the glucose or the Glucose Indicator Solution alone? Support ...October 29, 2007 by Ms. Sue

History *repost* (sorry!)
After the Gupta Empire collapsed, what group gained control of much of India? Muslims from Afghanistan Buddhists from China*** Christians from Ethiopia local Hindu princes Which of the following was NOT a part of the organization of the early Christian church? the pope the ...October 6, 2014 by SkatingDJ

algerba!2!
(-2x2y)3 * (5xy3)2 *I don't get this on at all!!! Are there any exponents in this one? If so, repost showing the caret to indicate the exponent. oh sorry I forget to do that.LOL!Here it is now: (-2x^2y)^3 * (5xy^3)^2 Are there any exponents in this one? If so, repost showing ...November 8, 2006 by Sandro!

To Lynn,Alex,Physics_student,Natasha
Please refrain from reposting the same question within a short time (less than a day). If you do repost, add "repost" at the end of the subject. Quadruple posting within an hour and a half means that teachers have to spend time reading the extra posts, which actually slows ...October 6, 2009 by MathMate

PHILOSOPHY REPOST
why is it wrong to teach creationism in a high school science class, based on the moral theory that the good of many outweigh the good of the individual? and im asking your personal opinion on this, im perfectly capable of going to google and typing in few key words. November 22, 2007 by Matt

science
hello jishka reply to me immediately wasn't that i told you i think this isnot a good website if i don't get the answer What kind of answer do you want? We are here to help you, but don't expect an immediate answer. We are not on line all of the time. Please repost with ...February 3, 2007 by jeniffer

chem -repost for bobpursley
i don't know how to solve this. looked through all my notes but i'm not sure what kind of formula i am to use or if i even need one! please help me to understand the theory behind this: "calculate the work need to make room for the products in the combustion of S8(s) to SO2(g...April 17, 2011 by please, help me

Science-Repost
I just want to make sure if I'm correct; does this look correct to you? When all of the hydrogen of the Sun is used up, it will turn into a red giant. Is red giant correct?March 23, 2010 by Sara

earth science repost!!!
Hi, I was just wondering how an eroding dune and a non-eroding dune would differ, in terms of diagrams. For example, is there any site that would compare two cross-sectional shapes of the dunes? I couldn't find any on google. October 18, 2007 by Kelly!

Science [repost]
We all know about the soda bottle volcano made by Diet Pepsi and Mentos. It causes a huge explosion! Now say someone drank Pepsi then ate a mento with it; what will happen? I got an email about a child who did this and died right away...can it really cause deaths? Thanks -MC February 18, 2009 by mysterychicken

science
then how do u find: the volume of the H2O released, measured at 220 degrees C and 735mm Hg? What are you starting with? The volume of H2O released would depend on the original volume before being raised to that temperature. Please repost question with adequate data. I hope ...March 28, 2007 by Anonymous

Pre-Algebra [repost]
I'm sorry I had to repost, but this is urgent and i need it done by today!! Can someone please show me how to do these problems? I've been trying but I'm having a hard time... 1.Simplify the expressions on each side of the equation to obtain an equivalent equation: 5x + 12 + ...May 2, 2009 by mysterychicken

Science [improv/repost]
So the question is: What is the difference between an ionic bond and a covalent bond? My answer is: In an ionic bond, the electrons are moved from one atom to another. In a covalent bond, the electrons are shared. Is this OK? Thanks-MC February 5, 2009 by mysterychicken

Science [improv/repost]
So the question is: What is the difference between an ionic bond and a covalent bond? My answer is: In an ionic bond, the electrons are moved from one atom to another. In a covalent bond, the electrons are shared. Is this OK? Thanks-MC February 5, 2009 by mysterychicken

Science - - Second Try
I'll repost the question I posted about thirty five minutes ago. It's still unanswered. Hello. (= I can't find the answer to this question: What are the five major classes of Chordates? The following question is: Using the list made in the previous question, number the ...January 12, 2008 by Eve

Just a repost, in case the old isnt seen
sorry! I never noticed..the mass should be 52000kg sorry about that! For Further Reading physics repost - Alexis, Sunday, October 14, 2007 at 6:07pm so it should be a 52000kg train slows from 25 m/s to 14m/s in 5.0 s. Calculate the work done on the train. so I found the ...October 14, 2007 by Alexis

science
Using Dimensional analysis, how do you set up a problem to find the density when given mass and volume? Suppose the mass of an object is 40 grams and the volume is 20 mL. Density has units of grams/mL. Then density = 40 g/20 mL = 2 g/mL. If this isn't exactly what you were ...August 21, 2006 by Anne

science
what are tow types of environment present in every habitat? I'm not sure what you are asking. The geological the the climate aspects are always present. Is this what you want? I hope this helps. If not, repost your question in more specific terms. Thanks for asking. All toes ...November 30, 2006 by jessica

Physical Science [repost]
I had a couple of questions for homework and I answered them the best I could. Can someone check and tell me if they are correct? 1.To describe the position of an object accurately, scientists use what? Ans- Coordinate Systems 2.In science, we have to describe the motion of an...March 18, 2009 by mysterychicken

Science-Repost
Describe how the rotation of Earth is responsible for the movement of the stars. The rotation of earth is responsible for the movement of stars because as it rotates, objects around it rotate as well, such as planets, they appear to move through the stars because they are that...February 6, 2010 by Sara

Science-Repost-Universe&Stars
What does it mean by the Local Group of galaxies? The Local Group of galaxies are a group of around 2 dozen galaxies. It is the group to which our galaxy belongs. All the galaxies are clustered together in this group. They are all very near eachother.March 1, 2010 by Sara

english
sorry i havent really used this site and im not sure how to repost my question instead of putting it as an answer to my question so heres the repost: I had to find embedded clauses I deplore the fact that bats have wings. --> bats have wings That Guinevere loves Lorian is ...July 7, 2008 by Anonymous

Science
I hope someone can help, Thank You! The wheels of a machine are identical. They have an outer circumference of 10 cm and an inner circumference of 5 cm. If the crank is rotated one quarter turn clockwise, where will the clock's hand point? More information needed. (Until the ...April 8, 2007 by Danielle

science
What can happen to the reaction rate of a system that is heated and then cooled? Your question isn't quite clear; however, reaction rates increase, generally, with increase in T and decrease with decrease in T. Another way to interpret the problem is that an increase in T may...April 16, 2007 by Shandra

Environmental Science
Which of the following is one way that a person can conserve water? a.Take a bath instead of a shower b.Wash laundry in small, partial loads c.use a low flow shower head to take short showers d.water the lawn daily and at nidday. I picked a. right? Because your saving more ...April 20, 2007 by Mack

physics repost
A 1.00-kg ball is attached to a string of 0.50 m and swung in a horizontal circle with a velocity of 2.00 m/s. Find the centripetal acceleration. ac=v^2/r = 2.00^2/.50 = 8.0 m/s^2 April 3, 2008 by Jon

Science
A drop of ink is in a tube.A stopper is used.What will happen to the drop of ink in the tube when you place your hands around the flask for 5 minutes? Is water in the tube? And what's the stopper used for? If so, heat is transferred from the hand to the water and heat ...August 8, 2007 by Joey

Science-Repost-Universe&Stars
Give 2 reasons y elliptical galaxies are considered to be older & more evolved than spiral galaxies. They are considered to be older because they have little instellar matter and because they rarely form new stars like the other galaxies do. They seem to be more evolved than ...March 1, 2010 by Sara

Chemistry
Repost:: sorry couldn't understand it What is the concentration of C2O4^-2 in a 0.370M oxalic acid solution? Ka1=5.6x10^-2 and Ka2=5.1x10^-5March 20, 2013 by V

Repost(Physics)
A vehicle moves in a straight line with an acceleration of 2 km/h^2. By how much does the speed change each second? Answer in units of km/h. Plz help?October 22, 2016 by Jazz

Physical Science [repost]
One more worksheet with questions that I need to have checked! 1.Average speed is the ________ an object travels divided by the ________ it takes. Ans- distance; time 2.The velocity of an object is its ___ in a certain _______. Ans- speed; direction 3.The steepness of the line...March 18, 2009 by mysterychicken